      <?php

function get_n_bot()

{

  $useragent = strtolower($_SERVER['HTTP_USER_AGENT']);

    if (strpos($useragent, "googlebot") !== false){

    return "Googlebot";

  }

    if (strpos($useragent, "msnbot") !== false){

    return "MSNbot";

  }

    if (strpos($useragent, "slurp") !== false){

    return "Yahoobot";

  }

    if (strpos($useragent, "baiduspider") !== false){

    return "Baiduspider";

  }

    if (strpos($useragent, "sohu-search") !== false){

    return "Sohubot";

  }

    if (strpos($useragent, "lycos") !== false){

    return "Lycos";

  }

    if (strpos($useragent, "robozilla") !== false){

    return "Robozilla";

  }

  return false;

}

function nowtime(){

  $date=date("Y-m-d.G:i:s");

  return $date;

}

$searchbot = get_n_bot();

if ($searchbot) {

  $tlc_thispage = addslashes($_SERVER['HTTP_USER_AGENT']);

  $url=$_SERVER['HTTP_REFERER'];

  $file="robotslogs.txt";

  $time=nowtime();

  $data=fopen($file,"a");

  fwrite($data,"Time:$time robot:$searchbot URL:$tlc_thispage\n");

  fclose($data);
	
}

?>